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Kumho Ecsta ASX KU21

Ultra High Performance All-Season
  • Designed with sporty handling in mind
  • Ideal for performance cars
  • OE fitment for margues like Porsche, BMW
  • The highest level of performance many street drivers will ever need for most weather conditions.

    These tires are much the same as UHP summer tires, but with siping or other technologies added to enhance wet grip and hydroplaning resistance. Despite the all-season label, with the notable exception of the Conti DWS, these are not usually tires to be trusted in any kind of snow or ice.

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    What people think:
    Dry Performance Comfort Wet Performance Handling Treadwear Snow/Ice Performance
    TireScore key metrics 65
    • Reviews at TiresVote.com, #: 0
    • Reviews from websites like Amazon.com and similar (aggregated), #: 3798
    • Score Points in Tire Rankings and Professional Tests

    Value, max: 100

    Popularity metrics 26
    • Year released
    • Brand Type (premium / mid-range / economy )
    • The number of videos at Youtube
    • News number and actuality
    • The number of hits in various tire ratings and tests
    • Best-selling product
    • The number of sizes and specifications

    Value, max: unlimited
    Value, average: 32


    Key Facts


    Kumho Ecsta ASX  KU21

    Description

    An ultra high performer for all seasons, the Ecsta ASX combines outstanding wet and dry grip with high performance handling and competent snow traction. The asymmetrical tread design allows the ASX to be cross-rotated for reduced noise and everyday use. Specifically built for value-oriented drivers who do not want to skimp on performance, the Ecsta ASX delivers handling and grip performance that goes far beyond its price.

    • Asymmetrical tread design optimizes all-season performance.
    • High-tech silica compound delivers the optimum balance of wet and snow traction, treadwear and fuel efficiency.
    • Large outside blocks maximize cornering performance.
    • High-angle slant and circumferential grooves provide optimum water drainage to resist hydroplaning.
    • E-technology step grooves and sipes increase edge effect for increased wet and snow performance.
    • Multi-zone tread contour provides dynamic casing control for improved comfort and handling.
    • ESCOT technology controls the tension throughout the casing to provide a comfortable ride and maintain performance handling.
    • The jointless cap and edge covers keep the two full-width steel belts in place to ensure strength, stability and maximum footprint during high performance driving.
    • Variable pitch tread blocks and cross-grooves reduce road harmonics for a quiet ride.
    • Rim protector in lower sidewall safeguards wheel from scratches and abrasions.

    Latest News

    • Mar 18, 2009

      Tested: Reinventing an Icon I Tire Rack

      Continuing the sporty heritage of the original Eagle GT and its successors, the new Goodyear Eagle GT is a more attractively priced companion to Goodyear's popular Eagle F1 All-Season in the Ultra High Performance All-Season category. It is designed to blend a stylish tread design with real wet and dry performance, reasonable road manners and some all-season light snow and slush capability.


    Detailed Information

    Type and Size
    Tire Model
    Kumho Ecsta ASX KU21
    Car Type
    Passenger
    Season
    All Season
    Rim Diameter
    16 / 17 / 18 "
    Width
    205 / 215 / 225 / 235 / 245 / 255 mm
    Aspect Ratio
    40 / 45 / 50 / 55 %
    Construction
    Radial
    Special Features
    Runflat
    No
    Mud and Snow
    No
    Extra Load
    No
    Speed and Load
    Speed Index
    W (max 168 mph) ... Z (max > 149 mph)
    Load Index (max load for a tire)
     

    Kumho Ecsta ASX KU21 Sizes & Specifications

    Rim Model Size Index Features
    R16 205/55 R16 91Z 205/55 R16 91Z
    R16 215/50 R16 90W 215/50 R16 90W
    R16 215/50 R16 90Z 215/50 R16 90Z
    R17 215/45 R17 91Z 215/45 R17 91Z
    R17 215/50 R17 95Z 215/50 R17 95Z
    R17 225/45 R17 94Z 225/45 R17 94Z
    R17 225/55 R17 97Z 225/55 R17 97Z
    R17 235/45 R17 94Z 235/45 R17 94Z
    R17 245/45 R17 95Z 245/45 R17 95Z
    R17 255/45 R17 98Z 255/45 R17 98Z
    R18 225/40 R18 92Z 225/40 R18 92Z
    R18 235/50 R18 97Z 235/50 R18 97Z

    Note! Have you driven on the Kumho Ecsta ASX KU21 tire?.

    Please help thousands of other drivers make an informed tire choice and pick the correct tires for their car by submitting your review of the Kumho Ecsta ASX KU21.

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    Amazon Reviews

    Questions and Answers

    • Mar 18, 2009

      Tested: Reinventing an Icon I Tire Rack

      Continuing the sporty heritage of the original Eagle GT and its successors, the new Goodyear Eagle GT is a more attractively priced companion to Goodyear's popular Eagle F1 All-Season in the Ultra High Performance All-Season category. It is designed to blend a stylish tread design with real wet and dry performance, reasonable road manners and some all-season light snow and slush capability.